void asciimage::Shape::renderLine(QPainter* painter, int scale, const Style& style) const
{
Q_ASSERT(type() == Type::LINE);
Q_ASSERT(points().size() == 2);
if (scale == 1)
{
if (!isStraightLine())
{
painter->setRenderHint(QPainter::Antialiasing, true);
}
painter->setPen(style.color());
painter->drawLine(points()[0], points()[1]);
}
else
{
if (isStraightLine())
{
const QRect b = boundingRect();
painter->setPen(style.color());
painter->setBrush(style.color());
painter->drawRect(scaledOuterRect(b, scale));
}
else
{
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(QPen(style.color(), scale, Qt::SolidLine, Qt::SquareCap));
painter->drawLine(p(points()[0], scale), p(points()[1], scale));
}
}
}
void cleanUpPointsInStraightLines( const std::vector<CGPoint> &i_points, std::vector<CGPoint> &o_expath, CGFloat i_error2 )
{
size_t nbOfPts = i_points.size();
if ( nbOfPts < 3 )
{
o_expath.assign( i_points.begin(), i_points.end() );
return;
}
auto current = i_points.begin();
o_expath.push_back( *current );
while ( current != i_points.end() )
{
size_t remaining = i_points.end() - current;
if ( remaining < 3 )
{
o_expath.push_back( *current );
++current;
}
else
{
auto segEnd = current + 3;
while ( segEnd != i_points.end() and isStraightLine( current, segEnd, i_error2 ) )
{
++segEnd;
}
current = segEnd;
--segEnd; // back track
o_expath.push_back( *segEnd );
}
}
}
